Atmosphärisch angetriebener Torpedo A torpedo using compressed air as an oxidant with Decahydronapthalene (Decalin) to create steam that turned the propellers of the torpedo. A bubble trail was emitted that could be seen by the enemy and therefore during WWII they were intended to be used at night. Often referred to as 'air-driven' or 'compressed air powered' torpedoes

Assemble To Order. A manufacturing philosophy whereby components are manufactured to stock and then pulled for manufacturing when a specific customer order is received.

air asking order

Ammunition Technical Officer

A m p Air Transportation Office

Australian Tax Office

abort to orbit. A condition in which a failure, such as a premature engine shutdown, means the Shuttle won't be able to reach its planned orbit, but can reach a different safe orbit where operations might be continued.

Above Take Off (meaning height above where you took off from)

Assisted take-off

Adaptive Time Out is the time that must elapse before an acknowledgment is considered lost. After a time out, the sliding window is partially closed and the ATO is backed off.

Agency Tender Official. An inherently governmental agency official with decision-making authority who is responsible for the agency tender and represents the agency tender during source selection.

African Timber Organization

ah-toe) backwards, usually used in a command to move backwards using a technique instead of forward using the technique (compare to mae)

Atmospheric Transport Output File

Approved Training Organisation.

Authority to operate